Valerion offered a piece of white chalk to Adrien, who thanked him as he took it; then he walked towards the wall. He decided to try casting a basic Fire spell. He put his left hand on the stone wall and stared at it for a good while; as much as he wanted to focus, he was drawing a blank. He swallowed; he felt a tremor in his arm. He turned around, and looked at Valerion with a perplexed face.

"Take your time", he said.